59e0d15fcdf92551a204c7e71776a88f54ea9df74e2ba2cfb04e7582c04dec81

Resubmissions

31-07-2024 04:57

240731-flg26axflr 3

Analysis

max time kernel
102s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-07-2024 04:57

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General

Target

Hoic/GenericBoost.hoic
Size

3KB
MD5

117dcd32592d6785a55c9ceac79bd557
SHA1

e8ceef37e1bc10de0774ca2db139ed9576eec77c
SHA256

106dea17ed39daba428aa600cc7b4872b2debc5f472f75cfa55b4fbcc5386210
SHA512

927d051557dea7165a679af99c1a57437d9e638e135f7afe1875c5117bb983fb85a454c342f7d30acb327eb6957501d84632724a4fded85a345a55f83d38cec8

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.hoic	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.hoic\ = "hoic_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\hoic_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2836	2688	cmd.exe	31
PID 2688 wrote to memory of 2836	2688	cmd.exe	31
PID 2688 wrote to memory of 2836	2688	cmd.exe	31
PID 2836 wrote to memory of 2252	2836	rundll32.exe	32
PID 2836 wrote to memory of 2252	2836	rundll32.exe	32
PID 2836 wrote to memory of 2252	2836	rundll32.exe	32
PID 2836 wrote to memory of 2252	2836	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Hoic\GenericBoost.hoic
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Hoic\GenericBoost.hoic
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Hoic\GenericBoost.hoic"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
22a4c8019c51db518daf50850051da5e

SHA1
942d04b8f56766bb29129c090b358e9aa7b95c5a

SHA256
d551e9be4086d52aa498045efc4614908d1064c289869b7fcb1555bc95e828df

SHA512
3bd23f0423ace6f17d6f0d70cdec9bb887c1ab53b969cdc4f142254ae52e0e358f19d2a8952a99bcdb17db5e529e1a3de43bd37f3d1ccd220811e0f5189c4924

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